package javc;

import com.sun.jdi.PathSearchingVirtualMachine;
import org.w3c.dom.ls.LSOutput;

import java.sql.SQLOutput;

public class yunsuanfu {
    public static void main(String[] args) {
        byte i = 10;
        byte c = 20 ;
        int result = i + c;
        System.out.println( result);
        //强转
        byte d = 10;
        byte f = 20;
        byte res =(byte)(d + f);
        System.out.println(res);
        System.out.println(3.7 + "abc");
        System.out.println(3.7 + 0.2);


    }


}
